Digital sound level meter SL-200U 1 piece

It packs in the bare minimum of functions into a compact size, and has few buttons for easy operation. It is equipped with an auto power off function to reduce battery consumption. It has a MAX/MIN hold function and a thermometer function. Equipped with a color LCD. Frequency characteristics: A-weighted Measurement range: 35-135dB Resolution: 0.1dB Accuracy: ±2.0dB (at 94dB/1kHz) Dynamic characteristics: FAST (time constant 125 ms)/SLOW (time constant 1S) Temperature measurement range: 0 to +40°C Temperature resolution: 0.1℃ Temperature accuracy: ±1.5℃ Sampling: Approximately 3 times/second Operating temperature and humidity: 0 to +50°C, 80% RH or less (but no condensation) Storage temperature and humidity: -10℃ to +60℃, 10 to 75% RH (no condensation, excluding batteries) Power supply: 3 AAA batteries (included for testing) Battery life: Approximately 60 hours (when using alkaline batteries) Auto power off: approx. 12 minutes (can be disabled) Dimensions: Approx. W56 x D31 x H144mm (excluding windshield screen and buttons) Weight: Approx. 819g (excluding batteries) Standards Compliance: IEC61672-1 Class 2 Accessories: Windscreen, instruction manual, 3 AAA batteries